a lot of pains has been arranged to them by the librarian.
I hope this will help you.
Replacing the books on the books in the shelf would be kind .
A lot of pains have been taken by the librarian to arrange them.
The librarian asked ali to take that book to the shelf.
will u plz.. mention this sentence would be convert into which sentence
kindly replace the books in the shelf.
the librarian has taken...